Buy World of Goo, pay whatever you want
2D Boy's celebrating the first anniversary for World of Goo by allowing gamers to purchase the Linux, Mac, and PC versions for whatever they desire.
Until October 19, download your particular version for as much as 20 gazillion, one penny, or the standard $20 cost.
Whatever you desire to pay is up to you, but you don't have much time, so get to buying.
Via BigDownload.